Interesting stuff from the SANS InfoSec Reading Room.

https://www.sans.org/reading_room/whitepapers/engineering/which_disneyandcopy_princess_are_you_33328 [PDF] - Author: Joshua Brower

Social engineering takes many forms; some obvious, some not so obvious. One not so obvious form is that of questionnaires -- be it a knock on the door to answer a survey for a "census" worker, or a "harmless" quiz found on a social networking site. Depending upon their content, they can serve as a very powerful means of capturing and correlating information for nefarious purposes.